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Earth Has Company

Earth Has Company


Earth has company.


A group of astronomers have published a new study that says there are at least 8.8 billion habitable earth-type planets in our galaxy alone.

These are worlds that are about the size of earth, orbit a star like ours, and exist in the so-called "Goldilocks zone" where it's not too hot and not too cold.

Just to give you an idea of how many planets that is -- if the astronomers' findings are accurate, there are more habitable planets in this galaxy than there are people on earth.

But there may be even more: the astronomers say they only looked at stars like our sun.

Other types of stars, like red dwarfs, could support earth-like planets too. 

-Rob Archer
 

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